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        <title>7.7 add_subdirectory的限定范围 · 《CMake Cookbook》中文版</title>
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        <li class="chapter " data-level="1.1" data-path="../../">
            
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                    Introduction
            
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                    前言
            
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        <li class="chapter " data-level="1.3" data-path="../chapter0/0.0-chinese.html">
            
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                    第0章 配置环境
            
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                    0.1 获取代码
            
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                    0.2 Docker镜像
            
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        <li class="chapter " data-level="1.3.3" data-path="../chapter0/0.3-chinese.html">
            
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                    0.3 安装必要的软件
            
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                    0.4 测试环境
            
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                    0.5 上报问题并提出改进建议
            
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                    第1章 从可执行文件到库
            
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                    1.1 将单个源文件编译为可执行文件
            
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                    1.2 切换生成器
            
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                    1.3 构建和链接静态库和动态库
            
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                    1.4 用条件句控制编译
            
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                    1.5 向用户显示选项
            
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                    1.6 指定编译器
            
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                    1.7 切换构建类型
            
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                    1.8 设置编译器选项
            
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        <li class="chapter " data-level="1.4.9" data-path="../chapter1/1.9-chinese.html">
            
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                    1.9 为语言设定标准
            
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                    1.10 使用控制流
            
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                    第2章 检测环境
            
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                    2.1 检测操作系统
            
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                    2.2 处理与平台相关的源代码
            
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                    2.3 处理与编译器相关的源代码
            
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                    2.4 检测处理器体系结构
            
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                    2.5 检测处理器指令集
            
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        <li class="chapter " data-level="1.5.6" data-path="../chapter2/2.6-chinese.html">
            
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                    2.6 为Eigen库使能向量化
            
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        <li class="chapter " data-level="1.6" data-path="../chapter3/3.0-chinese.html">
            
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                    第3章 检测外部库和程序
            
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        <li class="chapter " data-level="1.6.1" data-path="../chapter3/3.1-chinese.html">
            
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                    3.1 检测Python解释器
            
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        <li class="chapter " data-level="1.6.2" data-path="../chapter3/3.2-chinese.html">
            
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                    3.2 检测Python库
            
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        <li class="chapter " data-level="1.6.3" data-path="../chapter3/3.3-chinese.html">
            
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                    3.3 检测Python模块和包
            
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        <li class="chapter " data-level="1.6.4" data-path="../chapter3/3.4-chinese.html">
            
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                    3.4 检测BLAS和LAPACK数学库
            
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        <li class="chapter " data-level="1.6.5" data-path="../chapter3/3.5-chinese.html">
            
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                    3.5 检测OpenMP的并行环境
            
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        <li class="chapter " data-level="1.6.6" data-path="../chapter3/3.6-chinese.html">
            
                <a href="../chapter3/3.6-chinese.html">
            
                    
                    3.6 检测MPI的并行环境
            
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        <li class="chapter " data-level="1.6.7" data-path="../chapter3/3.7-chinese.html">
            
                <a href="../chapter3/3.7-chinese.html">
            
                    
                    3.7 检测Eigen库
            
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        <li class="chapter " data-level="1.6.8" data-path="../chapter3/3.8-chinese.html">
            
                <a href="../chapter3/3.8-chinese.html">
            
                    
                    3.8 检测Boost库
            
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        <li class="chapter " data-level="1.6.9" data-path="../chapter3/3.9-chinese.html">
            
                <a href="../chapter3/3.9-chinese.html">
            
                    
                    3.9 检测外部库:Ⅰ. 使用pkg-config
            
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        <li class="chapter " data-level="1.6.10" data-path="../chapter3/3.10-chinese.html">
            
                <a href="../chapter3/3.10-chinese.html">
            
                    
                    3.10 检测外部库:Ⅱ. 自定义find模块
            
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            </ul>
            
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        <li class="chapter " data-level="1.7" data-path="../chapter4/4.0-chinese.html">
            
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                    第4章 创建和运行测试
            
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        <li class="chapter " data-level="1.7.1" data-path="../chapter4/4.1-chinese.html">
            
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                    4.1 创建一个简单的单元测试
            
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        <li class="chapter " data-level="1.7.2" data-path="../chapter4/4.2-chinese.html">
            
                <a href="../chapter4/4.2-chinese.html">
            
                    
                    4.2 使用Catch2库进行单元测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.3" data-path="../chapter4/4.3-chinese.html">
            
                <a href="../chapter4/4.3-chinese.html">
            
                    
                    4.3 使用Google Test库进行单元测试
            
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        <li class="chapter " data-level="1.7.4" data-path="../chapter4/4.4-chinese.html">
            
                <a href="../chapter4/4.4-chinese.html">
            
                    
                    4.4 使用Boost Test进行单元测试
            
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        <li class="chapter " data-level="1.7.5" data-path="../chapter4/4.5-chinese.html">
            
                <a href="../chapter4/4.5-chinese.html">
            
                    
                    4.5 使用动态分析来检测内存缺陷
            
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        <li class="chapter " data-level="1.7.6" data-path="../chapter4/4.6-chinese.html">
            
                <a href="../chapter4/4.6-chinese.html">
            
                    
                    4.6 预期测试失败
            
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        <li class="chapter " data-level="1.7.7" data-path="../chapter4/4.7-chinese.html">
            
                <a href="../chapter4/4.7-chinese.html">
            
                    
                    4.7 使用超时测试运行时间过长的测试
            
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        <li class="chapter " data-level="1.7.8" data-path="../chapter4/4.8-chinese.html">
            
                <a href="../chapter4/4.8-chinese.html">
            
                    
                    4.8 并行测试
            
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        <li class="chapter " data-level="1.7.9" data-path="../chapter4/4.9-chinese.html">
            
                <a href="../chapter4/4.9-chinese.html">
            
                    
                    4.9 运行测试子集
            
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        <li class="chapter " data-level="1.7.10" data-path="../chapter4/4.10-chinese.html">
            
                <a href="../chapter4/4.10-chinese.html">
            
                    
                    4.10 使用测试固件
            
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            </ul>
            
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        <li class="chapter " data-level="1.8" data-path="../chapter5/5.0-chinese.html">
            
                <a href="../chapter5/5.0-chinese.html">
            
                    
                    第5章 配置时和构建时的操作
            
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        <li class="chapter " data-level="1.8.1" data-path="../chapter5/5.1-chinese.html">
            
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                    5.1 使用平台无关的文件操作
            
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        <li class="chapter " data-level="1.8.2" data-path="../chapter5/5.2-chinese.html">
            
                <a href="../chapter5/5.2-chinese.html">
            
                    
                    5.2 配置时运行自定义命令
            
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        <li class="chapter " data-level="1.8.3" data-path="../chapter5/5.3-chinese.html">
            
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                    5.3 构建时运行自定义命令:Ⅰ. 使用add_custom_command
            
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        <li class="chapter " data-level="1.8.4" data-path="../chapter5/5.4-chinese.html">
            
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                    5.4 构建时运行自定义命令:Ⅱ. 使用add_custom_target
            
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        <li class="chapter " data-level="1.8.5" data-path="../chapter5/5.5-chinese.html">
            
                <a href="../chapter5/5.5-chinese.html">
            
                    
                    5.5 构建时为特定目标运行自定义命令
            
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        <li class="chapter " data-level="1.8.6" data-path="../chapter5/5.6-chinese.html">
            
                <a href="../chapter5/5.6-chinese.html">
            
                    
                    5.6 探究编译和链接命令
            
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        <li class="chapter " data-level="1.8.7" data-path="../chapter5/5.7-chinese.html">
            
                <a href="../chapter5/5.7-chinese.html">
            
                    
                    5.7 探究编译器标志命令
            
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        <li class="chapter " data-level="1.8.8" data-path="../chapter5/5.8-chinese.html">
            
                <a href="../chapter5/5.8-chinese.html">
            
                    
                    5.8 探究可执行命令
            
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        <li class="chapter " data-level="1.8.9" data-path="../chapter5/5.9-chinese.html">
            
                <a href="../chapter5/5.9-chinese.html">
            
                    
                    5.9 使用生成器表达式微调配置和编译
            
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        <li class="chapter " data-level="1.9" data-path="../chapter6/6.0-chinese.html">
            
                <a href="../chapter6/6.0-chinese.html">
            
                    
                    第6章 生成源码
            
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        <li class="chapter " data-level="1.9.1" data-path="../chapter6/6.1-chinese.html">
            
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                    6.1 配置时生成源码
            
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        <li class="chapter " data-level="1.9.2" data-path="../chapter6/6.2-chinese.html">
            
                <a href="../chapter6/6.2-chinese.html">
            
                    
                    6.2 使用Python在配置时生成源码
            
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        <li class="chapter " data-level="1.9.3" data-path="../chapter6/6.3-chinese.html">
            
                <a href="../chapter6/6.3-chinese.html">
            
                    
                    6.3 构建时使用Python生成源码
            
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        <li class="chapter " data-level="1.9.4" data-path="../chapter6/6.4-chinese.html">
            
                <a href="../chapter6/6.4-chinese.html">
            
                    
                    6.4 记录项目版本信息以便报告
            
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        <li class="chapter " data-level="1.9.5" data-path="../chapter6/6.5-chinese.html">
            
                <a href="../chapter6/6.5-chinese.html">
            
                    
                    6.5 从文件中记录项目版本
            
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        <li class="chapter " data-level="1.9.6" data-path="../chapter6/6.6-chinese.html">
            
                <a href="../chapter6/6.6-chinese.html">
            
                    
                    6.6 配置时记录Git Hash值
            
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        <li class="chapter " data-level="1.9.7" data-path="../chapter6/6.7-chinese.html">
            
                <a href="../chapter6/6.7-chinese.html">
            
                    
                    6.7 构建时记录Git Hash值
            
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            </ul>
            
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        <li class="chapter " data-level="1.10" data-path="7.0-chinese.html">
            
                <a href="7.0-chinese.html">
            
                    
                    第7章 构建项目
            
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        <li class="chapter " data-level="1.10.1" data-path="7.1-chinese.html">
            
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                    7.1 使用函数和宏重用代码
            
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        <li class="chapter " data-level="1.10.2" data-path="7.2-chinese.html">
            
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                    7.2 将CMake源代码分成模块
            
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        <li class="chapter " data-level="1.10.3" data-path="7.3-chinese.html">
            
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                    7.3 编写函数来测试和设置编译器标志
            
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        <li class="chapter " data-level="1.10.4" data-path="7.4-chinese.html">
            
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                    7.4 用指定参数定义函数或宏
            
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        <li class="chapter " data-level="1.10.5" data-path="7.5-chinese.html">
            
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                    7.5 重新定义函数和宏
            
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        <li class="chapter " data-level="1.10.6" data-path="7.6-chinese.html">
            
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                    7.6 使用废弃函数、宏和变量
            
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        <li class="chapter active" data-level="1.10.7" data-path="7.7-chinese.html">
            
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                    7.7 add_subdirectory的限定范围
            
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        <li class="chapter " data-level="1.10.8" data-path="7.8-chinese.html">
            
                <a href="7.8-chinese.html">
            
                    
                    7.8 使用target_sources避免全局变量
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.9" data-path="7.9-chinese.html">
            
                <a href="7.9-chinese.html">
            
                    
                    7.9 组织Fortran项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.11" data-path="../chapter8/8.0-chinese.html">
            
                <a href="../chapter8/8.0-chinese.html">
            
                    
                    第8章 超级构建模式
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.11.1" data-path="../chapter8/8.1-chinese.html">
            
                <a href="../chapter8/8.1-chinese.html">
            
                    
                    8.1 使用超级构建模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.2" data-path="../chapter8/8.2-chinese.html">
            
                <a href="../chapter8/8.2-chinese.html">
            
                    
                    8.2 使用超级构建管理依赖项:Ⅰ.Boost库
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.3" data-path="../chapter8/8.3-chinese.html">
            
                <a href="../chapter8/8.3-chinese.html">
            
                    
                    8.3 使用超级构建管理依赖项:Ⅱ.FFTW库
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.4" data-path="../chapter8/8.4-chinese.html">
            
                <a href="../chapter8/8.4-chinese.html">
            
                    
                    8.4 使用超级构建管理依赖项:Ⅲ.Google Test框架
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.5" data-path="../chapter8/8.5-chinese.html">
            
                <a href="../chapter8/8.5-chinese.html">
            
                    
                    8.5 使用超级构建支持项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.12" data-path="../chapter9/9.0-chinese.html">
            
                <a href="../chapter9/9.0-chinese.html">
            
                    
                    第9章 语言混合项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.12.1" data-path="../chapter9/9.1-chinese.html">
            
                <a href="../chapter9/9.1-chinese.html">
            
                    
                    9.1 使用C/C++库构建Fortran项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.2" data-path="../chapter9/9.2-chinese.html">
            
                <a href="../chapter9/9.2-chinese.html">
            
                    
                    9.2 使用Fortran库构建C/C++项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.3" data-path="../chapter9/9.3-chinese.html">
            
                <a href="../chapter9/9.3-chinese.html">
            
                    
                    9.3 使用Cython构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.4" data-path="../chapter9/9.4-chinese.html">
            
                <a href="../chapter9/9.4-chinese.html">
            
                    
                    9.4 使用Boost.Python构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.5" data-path="../chapter9/9.5-chinese.html">
            
                <a href="../chapter9/9.5-chinese.html">
            
                    
                    9.5 使用pybind11构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.6" data-path="../chapter9/9.6-chinese.html">
            
                <a href="../chapter9/9.6-chinese.html">
            
                    
                    9.6 使用Python CFFI混合C，C++，Fortran和Python
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.13" data-path="../chapter10/10.0-chinese.html">
            
                <a href="../chapter10/10.0-chinese.html">
            
                    
                    第10章 编写安装程序
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.13.1" data-path="../chapter10/10.1-chinese.html">
            
                <a href="../chapter10/10.1-chinese.html">
            
                    
                    10.1 安装项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.2" data-path="../chapter10/10.2-chinese.html">
            
                <a href="../chapter10/10.2-chinese.html">
            
                    
                    10.2 生成输出头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.3" data-path="../chapter10/10.3-chinese.html">
            
                <a href="../chapter10/10.3-chinese.html">
            
                    
                    10.3 输出目标
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.4" data-path="../chapter10/10.4-chinese.html">
            
                <a href="../chapter10/10.4-chinese.html">
            
                    
                    10.4 安装超级构建
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14" data-path="../chapter11/11.0-chinese.html">
            
                <a href="../chapter11/11.0-chinese.html">
            
                    
                    第11章 打包项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1" data-path="../chapter11/11.1-chinese.html">
            
                <a href="../chapter11/11.1-chinese.html">
            
                    
                    11.1 生成源代码和二进制包
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.2" data-path="../chapter11/11.2-chinese.html">
            
                <a href="../chapter11/11.2-chinese.html">
            
                    
                    11.2 通过PyPI发布使用CMake/pybind11构建的C++/Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.3" data-path="../chapter11/11.3-chinese.html">
            
                <a href="../chapter11/11.3-chinese.html">
            
                    
                    11.3 通过PyPI发布使用CMake/CFFI构建C/Fortran/Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.4" data-path="../chapter11/11.4-chinese.html">
            
                <a href="../chapter11/11.4-chinese.html">
            
                    
                    11.4 以Conda包的形式发布一个简单的项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.5" data-path="../chapter11/11.5-chinese.html">
            
                <a href="../chapter11/11.5-chinese.html">
            
                    
                    11.5 将Conda包作为依赖项发布给项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.15" data-path="../chapter12/12.0-chinese.html">
            
                <a href="../chapter12/12.0-chinese.html">
            
                    
                    第12章 构建文档
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.15.1" data-path="../chapter12/12.1-chinese.html">
            
                <a href="../chapter12/12.1-chinese.html">
            
                    
                    12.1 使用Doxygen构建文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.2" data-path="../chapter12/12.2-chinese.html">
            
                <a href="../chapter12/12.2-chinese.html">
            
                    
                    12.2 使用Sphinx构建文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.3" data-path="../chapter12/12.3-chinese.html">
            
                <a href="../chapter12/12.3-chinese.html">
            
                    
                    12.3 结合Doxygen和Sphinx
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16" data-path="../chapter13/13.0-chinese.html">
            
                <a href="../chapter13/13.0-chinese.html">
            
                    
                    第13章 选择生成器和交叉编译
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.1" data-path="../chapter13/13.1-chinese.html">
            
                <a href="../chapter13/13.1-chinese.html">
            
                    
                    13.1 使用CMake构建Visual Studio 2017项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.2" data-path="../chapter13/13.2-chinese.html">
            
                <a href="../chapter13/13.2-chinese.html">
            
                    
                    13.2 交叉编译hello world示例
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3" data-path="../chapter13/13.3-chinese.html">
            
                <a href="../chapter13/13.3-chinese.html">
            
                    
                    13.3 使用OpenMP并行化交叉编译Windows二进制文件
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17" data-path="../chapter14/14.0-chinese.html">
            
                <a href="../chapter14/14.0-chinese.html">
            
                    
                    第14章 测试面板
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.1" data-path="../chapter14/14.1-chinese.html">
            
                <a href="../chapter14/14.1-chinese.html">
            
                    
                    14.1 将测试部署到CDash
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.2" data-path="../chapter14/14.2-chinese.html">
            
                <a href="../chapter14/14.2-chinese.html">
            
                    
                    14.2 CDash显示测试覆盖率
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.3" data-path="../chapter14/14.3-chinese.html">
            
                <a href="../chapter14/14.3-chinese.html">
            
                    
                    14.3 使用AddressSanifier向CDash报告内存缺陷
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.4" data-path="../chapter14/14.4-chinese.html">
            
                <a href="../chapter14/14.4-chinese.html">
            
                    
                    14.4 使用ThreadSaniiser向CDash报告数据争用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../chapter15/15.0-chinese.html">
            
                <a href="../chapter15/15.0-chinese.html">
            
                    
                    第15章 使用CMake构建已有项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.18.1" data-path="../chapter15/15.1-chinese.html">
            
                <a href="../chapter15/15.1-chinese.html">
            
                    
                    15.1 如何开始迁移项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.2" data-path="../chapter15/15.2-chinese.html">
            
                <a href="../chapter15/15.2-chinese.html">
            
                    
                    15.2 生成文件并编写平台检查
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.3" data-path="../chapter15/15.3-chinese.html">
            
                <a href="../chapter15/15.3-chinese.html">
            
                    
                    15.3 检测所需的链接和依赖关系
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.4" data-path="../chapter15/15.4-chinese.html">
            
                <a href="../chapter15/15.4-chinese.html">
            
                    
                    15.4 复制编译标志
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.5" data-path="../chapter15/15.5-chinese.html">
            
                <a href="../chapter15/15.5-chinese.html">
            
                    
                    15.5 移植测试
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.6" data-path="../chapter15/15.6-chinese.html">
            
                <a href="../chapter15/15.6-chinese.html">
            
                    
                    15.6 移植安装目标
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.7" data-path="../chapter15/15.7-chinese.html">
            
                <a href="../chapter15/15.7-chinese.html">
            
                    
                    15.7 进一步迁移的措施
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.8" data-path="../chapter15/15.8-chinese.html">
            
                <a href="../chapter15/15.8-chinese.html">
            
                    
                    15.8 项目转换为CMake的常见问题
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.19" data-path="../chapter16/16.0-chinese.html">
            
                <a href="../chapter16/16.0-chinese.html">
            
                    
                    第16章 可能感兴趣的书
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.19.1" data-path="../chapter16/16.1-chinese.html">
            
                <a href="../chapter16/16.1-chinese.html">
            
                    
                    16.1 留下评论——让其他读者知道你的想法
            
                </a>
            

            
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                                <h1 id="77-addsubdirectory&#x7684;&#x9650;&#x5B9A;&#x8303;&#x56F4;">7.7 add_subdirectory&#x7684;&#x9650;&#x5B9A;&#x8303;&#x56F4;</h1>
<p><strong>NOTE</strong>:<em>&#x6B64;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x53EF;&#x4EE5;&#x5728; <a href="https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-7/recipe-07" target="_blank">https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-7/recipe-07</a> &#x4E2D;&#x627E;&#x5230;&#xFF0C;&#x5176;&#x4E2D;&#x6709;&#x4E00;&#x4E2A;C++&#x793A;&#x4F8B;&#x3002;&#x8BE5;&#x793A;&#x4F8B;&#x5728;CMake 3.5&#x7248;(&#x6216;&#x66F4;&#x9AD8;&#x7248;&#x672C;)&#x4E2D;&#x662F;&#x6709;&#x6548;&#x7684;&#xFF0C;&#x5E76;&#x4E14;&#x5DF2;&#x7ECF;&#x5728;GNU/Linux&#x3001;macOS&#x548C;Windows&#x4E0A;&#x8FDB;&#x884C;&#x8FC7;&#x6D4B;&#x8BD5;&#x3002;</em></p>
<p>&#x672C;&#x7AE0;&#x5269;&#x4E0B;&#x7684;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x8BA8;&#x8BBA;&#x6784;&#x5EFA;&#x9879;&#x76EE;&#x7684;&#x7B56;&#x7565;&#xFF0C;&#x5E76;&#x9650;&#x5236;&#x53D8;&#x91CF;&#x7684;&#x8303;&#x56F4;&#x548C;&#x526F;&#x4F5C;&#x7528;&#xFF0C;&#x76EE;&#x7684;&#x662F;&#x964D;&#x4F4E;&#x4EE3;&#x7801;&#x7684;&#x590D;&#x6742;&#x6027;&#x548C;&#x7B80;&#x5316;&#x9879;&#x76EE;&#x7684;&#x7EF4;&#x62A4;&#x3002;&#x8FD9;&#x4E2A;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x628A;&#x4E00;&#x4E2A;&#x9879;&#x76EE;&#x5206;&#x5272;&#x6210;&#x51E0;&#x4E2A;&#x8303;&#x56F4;&#x6709;&#x9650;&#x7684;CMakeLists.txt&#x6587;&#x4EF6;&#xFF0C;&#x8FD9;&#x4E9B;&#x6587;&#x4EF6;&#x5C06;&#x4F7F;&#x7528;<code>add_subdirectory</code>&#x547D;&#x4EE4;&#x8FDB;&#x884C;&#x5904;&#x7406;&#x3002;</p>
<h2 id="&#x51C6;&#x5907;&#x5DE5;&#x4F5C;">&#x51C6;&#x5907;&#x5DE5;&#x4F5C;</h2>
<p>&#x7531;&#x4E8E;&#x6211;&#x4EEC;&#x5E0C;&#x671B;&#x5C55;&#x793A;&#x548C;&#x8BA8;&#x8BBA;&#x5982;&#x4F55;&#x6784;&#x9020;&#x4E00;&#x4E2A;&#x590D;&#x6742;&#x7684;&#x9879;&#x76EE;&#xFF0C;&#x6240;&#x4EE5;&#x9700;&#x8981;&#x4E00;&#x4E2A;&#x6BD4;&#x201C;hello world&#x201D;&#x9879;&#x76EE;&#x66F4;&#x590D;&#x6742;&#x7684;&#x4F8B;&#x5B50;:</p>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Cellular_automaton#Elementary_cellular_automata" target="_blank">https://en.wikipedia.org/wiki/Cellular_automaton#Elementary_cellular_automata</a></li>
<li><a href="http://mathworld.wolfram.com/ElementaryCellularAutomaton.html" target="_blank">http://mathworld.wolfram.com/ElementaryCellularAutomaton.html</a></li>
</ul>
<p>&#x6211;&#x4EEC;&#x7684;&#x4EE3;&#x7801;&#x5C06;&#x80FD;&#x591F;&#x8BA1;&#x7B97;&#x4EFB;&#x4F55;256&#x4E2A;&#x57FA;&#x672C;&#x7EC6;&#x80DE;&#x81EA;&#x52A8;&#x673A;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;&#x89C4;&#x5219;90 (Wolfram&#x4EE3;&#x7801;):</p>
<p><img src="../../images/chapter7/7-7-1.png" alt=""></p>
<p>&#x6211;&#x4EEC;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x9879;&#x76EE;&#x7684;&#x7ED3;&#x6784;&#x5982;&#x4E0B;:</p>
<pre><code class="lang-shell">.
&#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x251C;&#x2500;&#x2500; external
&#x2502;    &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;    &#x251C;&#x2500;&#x2500; conversion.cpp
&#x2502;    &#x251C;&#x2500;&#x2500; conversion.hpp
&#x2502;    &#x2514;&#x2500;&#x2500; README.md
&#x251C;&#x2500;&#x2500; src
&#x2502;    &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;    &#x251C;&#x2500;&#x2500; evolution
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; evolution.cpp
&#x2502;    &#x2502;    &#x2514;&#x2500;&#x2500; evolution.hpp
&#x2502;    &#x251C;&#x2500;&#x2500; initial
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; initial.cpp
&#x2502;    &#x2502;    &#x2514;&#x2500;&#x2500; initial.hpp
&#x2502;    &#x251C;&#x2500;&#x2500; io
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;    &#x2502;    &#x251C;&#x2500;&#x2500; io.cpp
&#x2502;    &#x2502;    &#x2514;&#x2500;&#x2500; io.hpp
&#x2502;    &#x251C;&#x2500;&#x2500; main.cpp
&#x2502;    &#x2514;&#x2500;&#x2500; parser
&#x2502;        &#x251C;&#x2500;&#x2500; CMakeLists.txt
&#x2502;        &#x251C;&#x2500;&#x2500; parser.cpp
&#x2502;        &#x2514;&#x2500;&#x2500; parser.hpp
&#x2514;&#x2500;&#x2500; tests
    &#x251C;&#x2500;&#x2500; catch.hpp
    &#x251C;&#x2500;&#x2500; CMakeLists.txt
    &#x2514;&#x2500;&#x2500; test.cpp
</code></pre>
<p>&#x6211;&#x4EEC;&#x5C06;&#x4EE3;&#x7801;&#x5206;&#x6210;&#x8BB8;&#x591A;&#x5E93;&#x6765;&#x6A21;&#x62DF;&#x771F;&#x5B9E;&#x7684;&#x5927;&#x4E2D;&#x578B;&#x9879;&#x76EE;&#xFF0C;&#x53EF;&#x4EE5;&#x5C06;&#x6E90;&#x4EE3;&#x7801;&#x7EC4;&#x7EC7;&#x5230;&#x5E93;&#x4E2D;&#xFF0C;&#x7136;&#x540E;&#x5C06;&#x5E93;&#x94FE;&#x63A5;&#x5230;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x4E2D;&#x3002;</p>
<p>&#x4E3B;&#x8981;&#x529F;&#x80FD;&#x5728;<code>src/main.cpp</code>&#x4E2D;:</p>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;conversion.hpp&quot;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;evolution.hpp&quot;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;initial.hpp&quot;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;io.hpp&quot;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;parser.hpp&quot;</span></span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;iostream&gt;</span></span>

<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">main</span><span class="hljs-params">(<span class="hljs-keyword">int</span> argc, <span class="hljs-keyword">char</span> *argv[])</span> </span>{
  <span class="hljs-comment">// parse arguments</span>
  <span class="hljs-keyword">int</span> length, num_steps, rule_decimal;
  <span class="hljs-built_in">std</span>::tie(length, num_steps, rule_decimal) = parse_arguments(argc, argv);

  <span class="hljs-comment">// print information about parameters</span>
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">cout</span> &lt;&lt; <span class="hljs-string">&quot;length: &quot;</span> &lt;&lt; length &lt;&lt; <span class="hljs-built_in">std</span>::<span class="hljs-built_in">endl</span>;
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">cout</span> &lt;&lt; <span class="hljs-string">&quot;number of steps: &quot;</span> &lt;&lt; num_steps &lt;&lt; <span class="hljs-built_in">std</span>::<span class="hljs-built_in">endl</span>;
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">cout</span> &lt;&lt; <span class="hljs-string">&quot;rule: &quot;</span> &lt;&lt; rule_decimal &lt;&lt; <span class="hljs-built_in">std</span>::<span class="hljs-built_in">endl</span>;

  <span class="hljs-comment">// obtain binary representation for the rule</span>
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">string</span> rule_binary = binary_representation(rule_decimal);

  <span class="hljs-comment">// create initial distribution</span>
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; row = initial_distribution(length);

  <span class="hljs-comment">// print initial configuration</span>
  print_row(row);

  <span class="hljs-comment">// the system evolves, print each step</span>
  <span class="hljs-keyword">for</span> (<span class="hljs-keyword">int</span> step = <span class="hljs-number">0</span>; step &lt; num_steps; step++) {
    row = evolve(row, rule_binary);
    print_row(row);
  }
}
</code></pre>
<p><code>external/conversion.cpp</code>&#x6587;&#x4EF6;&#x5305;&#x542B;&#x8981;&#x4ECE;&#x5341;&#x8FDB;&#x5236;&#x8F6C;&#x6362;&#x4E3A;&#x4E8C;&#x8FDB;&#x5236;&#x7684;&#x4EE3;&#x7801;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x5728;&#x8FD9;&#x91CC;&#x6A21;&#x62DF;&#x8FD9;&#x6BB5;&#x4EE3;&#x7801;&#x662F;&#x7531;<code>src</code>&#x5916;&#x90E8;&#x7684;&#x201C;&#x5916;&#x90E8;&#x201D;&#x5E93;&#x63D0;&#x4F9B;&#x7684;:</p>
<pre><code class="lang-cmake"><span class="hljs-comment">#include &quot;conversion.hpp&quot;</span>
<span class="hljs-comment">#include &lt;bitset&gt;</span>
<span class="hljs-comment">#include &lt;string&gt;</span>
std::<span class="hljs-keyword">string</span> binary_representation(const int decimal) {
    <span class="hljs-keyword">return</span> std::bitset&lt;<span class="hljs-number">8</span>&gt;(decimal).to_string();
}
</code></pre>
<p><code>src/evolution/evolution.cpp</code>&#x6587;&#x4EF6;&#x4E3A;&#x4E00;&#x4E2A;&#x65F6;&#x9650;&#x4F20;&#x64AD;&#x7CFB;&#x7EDF;:</p>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;evolution.hpp&quot;</span></span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;string&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;vector&gt;</span></span>

<span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; evolve(<span class="hljs-keyword">const</span> <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; row, <span class="hljs-keyword">const</span> <span class="hljs-built_in">std</span>::<span class="hljs-built_in">string</span> rule_binary) {
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; result;

  <span class="hljs-keyword">for</span> (<span class="hljs-keyword">auto</span> i = <span class="hljs-number">0</span>; i &lt; row.size(); ++i) {
    <span class="hljs-keyword">auto</span> left = (i == <span class="hljs-number">0</span> ? row.size() : i) - <span class="hljs-number">1</span>;
    <span class="hljs-keyword">auto</span> center = i;
    <span class="hljs-keyword">auto</span> right = (i + <span class="hljs-number">1</span>) % row.size();
    <span class="hljs-keyword">auto</span> ancestors = <span class="hljs-number">4</span> * row[left] + <span class="hljs-number">2</span> * row[center] + <span class="hljs-number">1</span> * row[right];
    ancestors = <span class="hljs-number">7</span> - ancestors;
    <span class="hljs-keyword">auto</span> new_state = <span class="hljs-built_in">std</span>::stoi(rule_binary.substr(ancestors, <span class="hljs-number">1</span>));
    result.push_back(new_state);
  }
  <span class="hljs-keyword">return</span> result;
}
</code></pre>
<p><code>src/initial/initial.cpp</code>&#x6587;&#x4EF6;&#xFF0C;&#x5BF9;&#x51FA;&#x8FDB;&#x884C;&#x521D;&#x59CB;&#x5316;:</p>
<pre><code class="lang-cmake"><span class="hljs-comment">#include &quot;initial.hpp&quot;</span>

<span class="hljs-comment">#include &lt;vector&gt;</span>

std::vector&lt;int&gt; initial_distribution(const int length) {

  // we start with a vector which is zeroed out
  std::vector&lt;int&gt; result(length, <span class="hljs-number">0</span>);

  // more <span class="hljs-keyword">or</span> <span class="hljs-keyword">less</span> in the middle we place a living cell
  result[length / <span class="hljs-number">2</span>] = <span class="hljs-number">1</span>;

  <span class="hljs-keyword">return</span> result;
}
</code></pre>
<p><code>src/io/io.cpp</code>&#x6587;&#x4EF6;&#x5305;&#x542B;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x8F93;&#x51FA;&#x6253;&#x5370;&#x884C;:</p>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;io.hpp&quot;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;algorithm&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;iostream&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;vector&gt;</span></span>
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">print_row</span><span class="hljs-params">(<span class="hljs-keyword">const</span> <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; row)</span> </span>{
  <span class="hljs-built_in">std</span>::for_each(row.begin(), row.end(), [](<span class="hljs-keyword">int</span> <span class="hljs-keyword">const</span> &amp;value) {
      <span class="hljs-built_in">std</span>::<span class="hljs-built_in">cout</span> &lt;&lt; (value == <span class="hljs-number">1</span> ? <span class="hljs-string">&apos;*&apos;</span> : <span class="hljs-string">&apos; &apos;</span>);
  });
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">cout</span> &lt;&lt; <span class="hljs-built_in">std</span>::<span class="hljs-built_in">endl</span>;
}
</code></pre>
<p><code>src/parser/parser.cpp</code>&#x6587;&#x4EF6;&#x89E3;&#x6790;&#x547D;&#x4EE4;&#x884C;&#x8F93;&#x5165;:</p>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;parser.hpp&quot;</span></span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;cassert&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;string&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;tuple&gt;</span></span>

<span class="hljs-built_in">std</span>::tuple&lt;<span class="hljs-keyword">int</span>, <span class="hljs-keyword">int</span>, <span class="hljs-keyword">int</span>&gt; parse_arguments(<span class="hljs-keyword">int</span> argc, <span class="hljs-keyword">char</span> *argv[]) {
  assert(argc == <span class="hljs-number">4</span> &amp;&amp; <span class="hljs-string">&quot;program called with wrong number of arguments&quot;</span>);

  <span class="hljs-keyword">auto</span> length = <span class="hljs-built_in">std</span>::stoi(argv[<span class="hljs-number">1</span>]);
  <span class="hljs-keyword">auto</span> num_steps = <span class="hljs-built_in">std</span>::stoi(argv[<span class="hljs-number">2</span>]);
  <span class="hljs-keyword">auto</span> rule_decimal = <span class="hljs-built_in">std</span>::stoi(argv[<span class="hljs-number">3</span>]);

  <span class="hljs-keyword">return</span> <span class="hljs-built_in">std</span>::make_tuple(length, num_steps, rule_decimal);
}
</code></pre>
<p>&#x6700;&#x540E;&#xFF0C;<code>tests/test.cpp</code>&#x5305;&#x542B;&#x4E24;&#x4E2A;&#x4F7F;&#x7528;Catch2&#x5E93;&#x7684;&#x5355;&#x5143;&#x6D4B;&#x8BD5;:</p>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;evolution.hpp&quot;</span></span>

<span class="hljs-comment">// this tells catch to provide a main()</span>
<span class="hljs-comment">// only do this in one cpp file</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> CATCH_CONFIG_MAIN</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-string">&quot;catch.hpp&quot;</span></span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;string&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;vector&gt;</span></span>

TEST_CASE(<span class="hljs-string">&quot;Apply rule 90&quot;</span>, <span class="hljs-string">&quot;[rule-90]&quot;</span>) {
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; row = {<span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>};
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">string</span> rule = <span class="hljs-string">&quot;01011010&quot;</span>;
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; expected_result = {<span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>};
  REQUIRE(evolve(row, rule) == expected_result);
}

TEST_CASE(<span class="hljs-string">&quot;Apply rule 222&quot;</span>, <span class="hljs-string">&quot;[rule-222]&quot;</span>) {
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; row = {<span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>};
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">string</span> rule = <span class="hljs-string">&quot;11011110&quot;</span>;
  <span class="hljs-built_in">std</span>::<span class="hljs-built_in">vector</span>&lt;<span class="hljs-keyword">int</span>&gt; expected_result = {<span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>, <span class="hljs-number">1</span>, <span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>};
  REQUIRE(evolve(row, rule) == expected_result);
}
</code></pre>
<p>&#x76F8;&#x5E94;&#x7684;&#x5934;&#x6587;&#x4EF6;&#x5305;&#x542B;&#x51FD;&#x6570;&#x58F0;&#x660E;&#x3002;&#x6709;&#x4EBA;&#x53EF;&#x80FD;&#x4F1A;&#x8BF4;&#xFF0C;&#x5BF9;&#x4E8E;&#x8FD9;&#x4E2A;&#x5C0F;&#x4EE3;&#x7801;&#x793A;&#x4F8B;&#xFF0C;&#x9879;&#x76EE;&#x5305;&#x542B;&#x4E86;&#x592A;&#x591A;&#x5B50;&#x76EE;&#x5F55;&#x3002;&#x8BF7;&#x6CE8;&#x610F;&#xFF0C;&#x8FD9;&#x53EA;&#x662F;&#x4E00;&#x4E2A;&#x9879;&#x76EE;&#x7684;&#x7B80;&#x5316;&#x793A;&#x4F8B;&#xFF0C;&#x901A;&#x5E38;&#x5305;&#x542B;&#x6BCF;&#x4E2A;&#x5E93;&#x7684;&#x8BB8;&#x591A;&#x6E90;&#x6587;&#x4EF6;&#xFF0C;&#x7406;&#x60F3;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x8FD9;&#x4E9B;&#x6587;&#x4EF6;&#x88AB;&#x653E;&#x5728;&#x5230;&#x5355;&#x72EC;&#x7684;&#x76EE;&#x5F55;&#x4E2D;&#x3002;</p>
<h2 id="&#x5177;&#x4F53;&#x5B9E;&#x65BD;">&#x5177;&#x4F53;&#x5B9E;&#x65BD;</h2>
<p>&#x8BA9;&#x6211;&#x4EEC;&#x6765;&#x8BE6;&#x7EC6;&#x89E3;&#x91CA;&#x4E00;&#x4E0B;CMake&#x6240;&#x9700;&#x7684;&#x529F;&#x80FD;:</p>
<ol>
<li><p><code>CMakeLists.txt</code>&#x9876;&#x90E8;&#x975E;&#x5E38;&#x7C7B;&#x4F3C;&#x4E8E;&#x7B2C;1&#x8282;&#xFF0C;&#x4EE3;&#x7801;&#x91CD;&#x7528;&#x4E0E;&#x51FD;&#x6570;&#x548C;&#x5B8F;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">cmake_minimum_required</span>(VERSION <span class="hljs-number">3.5</span> FATAL_ERROR)

<span class="hljs-keyword">project</span>(recipe-<span class="hljs-number">07</span> LANGUAGES CXX)

<span class="hljs-keyword">set</span>(CMAKE_CXX_STANDARD <span class="hljs-number">11</span>)
<span class="hljs-keyword">set</span>(CMAKE_CXX_EXTENSIONS <span class="hljs-keyword">OFF</span>)
<span class="hljs-keyword">set</span>(CMAKE_CXX_STANDARD_REQUIRED <span class="hljs-keyword">ON</span>)

<span class="hljs-keyword">include</span>(GNUInstallDirs)
<span class="hljs-keyword">set</span>(CMAKE_ARCHIVE_OUTPUT_DIRECTORY
<span class="hljs-variable">${CMAKE_BINARY_DIR}</span>/<span class="hljs-variable">${CMAKE_INSTALL_LIBDIR}</span>)
<span class="hljs-keyword">set</span>(CMAKE_LIBRARY_OUTPUT_DIRECTORY
<span class="hljs-variable">${CMAKE_BINARY_DIR}</span>/<span class="hljs-variable">${CMAKE_INSTALL_LIBDIR}</span>)
<span class="hljs-keyword">set</span>(CMAKE_RUNTIME_OUTPUT_DIRECTORY
<span class="hljs-variable">${CMAKE_BINARY_DIR}</span>/<span class="hljs-variable">${CMAKE_INSTALL_BINDIR}</span>)

<span class="hljs-comment"># defines targets and sources</span>
<span class="hljs-keyword">add_subdirectory</span>(src)

<span class="hljs-comment"># contains an &quot;external&quot; library we will link to</span>
<span class="hljs-keyword">add_subdirectory</span>(external)

<span class="hljs-comment"># enable testing and define tests</span>
<span class="hljs-keyword">enable_testing</span>()
<span class="hljs-keyword">add_subdirectory</span>(tests)
</code></pre>
</li>
<li><p>&#x76EE;&#x6807;&#x548C;&#x6E90;&#x5728;<code>src/CMakeLists.txt</code>&#x4E2D;&#x5B9A;&#x4E49;(&#x8F6C;&#x6362;&#x76EE;&#x6807;&#x9664;&#x5916;):</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_executable</span>(automata main.cpp)

<span class="hljs-keyword">add_subdirectory</span>(evolution)
<span class="hljs-keyword">add_subdirectory</span>(initial)
<span class="hljs-keyword">add_subdirectory</span>(io)
<span class="hljs-keyword">add_subdirectory</span>(parser)

<span class="hljs-keyword">target_link_libraries</span>(automata
  PRIVATE
    conversion
    evolution
    initial
    io
    parser
  )
</code></pre>
</li>
<li><p>&#x8F6C;&#x6362;&#x5E93;&#x5728;<code>external/CMakeLists.txt</code>&#x4E2D;&#x5B9A;&#x4E49;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_library</span>(conversion <span class="hljs-string">&quot;&quot;</span>)

target_sources(conversion
  PRIVATE
    <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>/conversion.cpp
  PUBLIC
    <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>/conversion.hpp
  )

target_include_directories(conversion
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>
  )
</code></pre>
</li>
<li><p><code>src/CMakeLists.txt</code>&#x6587;&#x4EF6;&#x6DFB;&#x52A0;&#x4E86;&#x66F4;&#x591A;&#x7684;&#x5B50;&#x76EE;&#x5F55;&#xFF0C;&#x8FD9;&#x4E9B;&#x5B50;&#x76EE;&#x5F55;&#x53C8;&#x5305;&#x542B;<code>CMakeLists.txt</code>&#x6587;&#x4EF6;&#x3002;<code>src/evolution/CMakeLists.txt</code>&#x5305;&#x542B;&#x4EE5;&#x4E0B;&#x5185;&#x5BB9;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_library</span>(evolution <span class="hljs-string">&quot;&quot;</span>)

target_sources(evolution
  PRIVATE
      evolution.cpp
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>/evolution.hpp
  )

target_include_directories(evolution
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>
  )
</code></pre>
</li>
<li><p>&#x5355;&#x5143;&#x6D4B;&#x8BD5;&#x5728;<code>tests/CMakeLists.txt</code>&#x4E2D;&#x6CE8;&#x518C;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_executable</span>(cpp_test test.cpp)

<span class="hljs-keyword">target_link_libraries</span>(cpp_test evolution)

<span class="hljs-keyword">add_test</span>(
  NAME
      test_evolution
  COMMAND
      $&lt;TARGET_FILE:cpp_test&gt;
  )
</code></pre>
</li>
<li><p>&#x914D;&#x7F6E;&#x548C;&#x6784;&#x5EFA;&#x9879;&#x76EE;&#x4EA7;&#x751F;&#x4EE5;&#x4E0B;&#x8F93;&#x51FA;:</p>
<pre><code class="lang-shell">$ mkdir -p build
$ cd build
$ cmake ..
$ cmake --build .

Scanning dependencies of target conversion
[ 7%] Building CXX object external/CMakeFiles/conversion.dir/conversion.cpp.o
[ 14%] Linking CXX static library ../lib64/libconversion.a
[ 14%] Built target conversion
Scanning dependencies of target evolution
[ 21%] Building CXX object src/evolution/CMakeFiles/evolution.dir/evolution.cpp.o
[ 28%] Linking CXX static library ../../lib64/libevolution.a
[ 28%] Built target evolution
Scanning dependencies of target initial
[ 35%] Building CXX object src/initial/CMakeFiles/initial.dir/initial.cpp.o
[ 42%] Linking CXX static library ../../lib64/libinitial.a
[ 42%] Built target initial
Scanning dependencies of target io
[ 50%] Building CXX object src/io/CMakeFiles/io.dir/io.cpp.o
[ 57%] Linking CXX static library ../../lib64/libio.a
[ 57%] Built target io
Scanning dependencies of target parser
[ 64%] Building CXX object src/parser/CMakeFiles/parser.dir/parser.cpp.o
[ 71%] Linking CXX static library ../../lib64/libparser.a
[ 71%] Built target parser
Scanning dependencies of target automata
[ 78%] Building CXX object src/CMakeFiles/automata.dir/main.cpp.o
[ 85%] Linking CXX executable ../bin/automata
[ 85%] Built target automata
Scanning dependencies of target cpp_test
[ 92%] Building CXX object tests/CMakeFiles/cpp_test.dir/test.cpp.o
[100%] Linking CXX executable ../bin/cpp_test
[100%] Built target cpp_test
</code></pre>
</li>
<li><p>&#x6700;&#x540E;&#xFF0C;&#x8FD0;&#x884C;&#x5355;&#x5143;&#x6D4B;&#x8BD5;:</p>
<pre><code class="lang-shell">$ ctest

Running tests...
Start 1: test_evolution
1/1 Test #1: test_evolution ................... Passed 0.00 sec
100% tests passed, 0 tests failed out of 1
</code></pre>
</li>
</ol>
<h2 id="&#x5DE5;&#x4F5C;&#x539F;&#x7406;">&#x5DE5;&#x4F5C;&#x539F;&#x7406;</h2>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x5C06;&#x6240;&#x6709;&#x4EE3;&#x7801;&#x653E;&#x5230;&#x4E00;&#x4E2A;&#x6E90;&#x6587;&#x4EF6;&#x4E2D;&#x3002;&#x4E0D;&#x8FC7;&#xFF0C;&#x6BCF;&#x6B21;&#x7F16;&#x8F91;&#x90FD;&#x9700;&#x8981;&#x91CD;&#x65B0;&#x7F16;&#x8BD1;&#x3002;&#x5C06;&#x6E90;&#x6587;&#x4EF6;&#x5206;&#x5272;&#x6210;&#x66F4;&#x5C0F;&#x3001;&#x66F4;&#x6613;&#x4E8E;&#x7BA1;&#x7406;&#x7684;&#x5355;&#x5143;&#x662F;&#x6709;&#x610F;&#x4E49;&#x7684;&#x3002;&#x53EF;&#x4EE5;&#x5C06;&#x6240;&#x6709;&#x6E90;&#x4EE3;&#x7801;&#x90FD;&#x7F16;&#x8BD1;&#x6210;&#x4E00;&#x4E2A;&#x5E93;&#x6216;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x3002;&#x5B9E;&#x9645;&#x4E0A;&#xFF0C;&#x9879;&#x76EE;&#x66F4;&#x559C;&#x6B22;&#x5C06;&#x6E90;&#x4EE3;&#x7801;&#x7F16;&#x8BD1;&#x5206;&#x6210;&#x66F4;&#x5C0F;&#x7684;&#x3001;&#x5B9A;&#x4E49;&#x826F;&#x597D;&#x7684;&#x5E93;&#x3002;&#x8FD9;&#x6837;&#x505A;&#x65E2;&#x662F;&#x4E3A;&#x4E86;&#x672C;&#x5730;&#x5316;&#x548C;&#x7B80;&#x5316;&#x4F9D;&#x8D56;&#x9879;&#xFF0C;&#x4E5F;&#x662F;&#x4E3A;&#x4E86;&#x7B80;&#x5316;&#x4EE3;&#x7801;&#x7EF4;&#x62A4;&#x3002;&#x8FD9;&#x610F;&#x5473;&#x7740;&#x5982;&#x5728;&#x8FD9;&#x91CC;&#x6240;&#x505A;&#x7684;&#x90A3;&#x6837;&#xFF0C;&#x7531;&#x8BB8;&#x591A;&#x5E93;&#x6784;&#x5EFA;&#x4E00;&#x4E2A;&#x9879;&#x76EE;&#x662F;&#x4E00;&#x79CD;&#x5E38;&#x89C1;&#x7684;&#x60C5;&#x51B5;&#x3002;</p>
<p>&#x4E3A;&#x4E86;&#x8BA8;&#x8BBA;CMake&#x7ED3;&#x6784;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x4ECE;&#x5B9A;&#x4E49;&#x6BCF;&#x4E2A;&#x5E93;&#x7684;&#x5355;&#x4E2A;CMakeLists.txt&#x6587;&#x4EF6;&#x5F00;&#x59CB;&#xFF0C;&#x81EA;&#x5E95;&#x5411;&#x4E0A;&#x8FDB;&#x884C;&#xFF0C;&#x4F8B;&#x5982;<code>src/evolution/CMakeLists.txt</code>:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_library</span>(evolution <span class="hljs-string">&quot;&quot;</span>)

target_sources(evolution
  PRIVATE
      evolution.cpp
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>/evolution.hpp
  )

target_include_directories(evolution
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>
  )
</code></pre>
<p>&#x8FD9;&#x4E9B;&#x5355;&#x72EC;&#x7684;<code>CMakeLists.txt</code>&#x6587;&#x4EF6;&#x5B9A;&#x4E49;&#x4E86;&#x5E93;&#x3002;&#x672C;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x9996;&#x5148;&#x4F7F;&#x7528;<code>add_library</code>&#x5B9A;&#x4E49;&#x5E93;&#x540D;&#xFF0C;&#x7136;&#x540E;&#x5B9A;&#x4E49;&#x5B83;&#x7684;&#x6E90;&#x548C;&#x5305;&#x542B;&#x76EE;&#x5F55;&#xFF0C;&#x4EE5;&#x53CA;&#x5B83;&#x4EEC;&#x7684;&#x76EE;&#x6807;&#x53EF;&#x89C1;&#x6027;&#xFF1A;&#x5B9E;&#x73B0;&#x6587;&#x4EF6;(<code>evolution.cpp</code>:<code>PRIVATE</code>)&#xFF0C;&#x800C;&#x63A5;&#x53E3;&#x5934;&#x6587;&#x4EF6;<code>evolution.hpp</code>&#x5B9A;&#x4E49;&#x4E3A;<code>PUBLIC</code>&#xFF0C;&#x56E0;&#x4E3A;&#x6211;&#x4EEC;&#x5C06;&#x5728;<code>main.cpp</code>&#x548C;<code>test.cpp</code>&#x4E2D;&#x8BBF;&#x95EE;&#x5B83;&#x3002;&#x5B9A;&#x4E49;&#x5C3D;&#x53EF;&#x80FD;&#x63A5;&#x8FD1;&#x4EE3;&#x7801;&#x76EE;&#x6807;&#x7684;&#x597D;&#x5904;&#x662F;&#xFF0C;&#x5BF9;&#x4E8E;&#x8BE5;&#x5E93;&#x7684;&#x4FEE;&#x6539;&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x53D8;&#x66F4;&#x8BE5;&#x76EE;&#x5F55;&#x4E2D;&#x7684;&#x6587;&#x4EF6;&#x5373;&#x53EF;&#xFF1B;&#x6362;&#x53E5;&#x8BDD;&#x8BF4;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x5E93;&#x4F9D;&#x8D56;&#x9879;&#x88AB;&#x5C01;&#x88C5;&#x3002;</p>
<p>&#x5411;&#x4E0A;&#x79FB;&#x52A8;&#x4E00;&#x5C42;&#xFF0C;&#x5E93;&#x5728;<code>src/CMakeLists.txt</code>&#x4E2D;&#x5C01;&#x88C5;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_executable</span>(automata main.cpp)

<span class="hljs-keyword">add_subdirectory</span>(evolution)
<span class="hljs-keyword">add_subdirectory</span>(initial)
<span class="hljs-keyword">add_subdirectory</span>(io)
<span class="hljs-keyword">add_subdirectory</span>(parser)

<span class="hljs-keyword">target_link_libraries</span>(automata
  PRIVATE
    conversion
    evolution
    initial
    io
    parser
  )
</code></pre>
<p>&#x6587;&#x4EF6;&#x5728;&#x4E3B;<code>CMakeLists.txt</code>&#x4E2D;&#x88AB;&#x5F15;&#x7528;&#x3002;&#x8FD9;&#x610F;&#x5473;&#x7740;&#x4F7F;&#x7528;<code>CMakeLists.txt</code>&#x6587;&#x4EF6;&#xFF0C;&#x6784;&#x5EFA;&#x6211;&#x4EEC;&#x7684;&#x9879;&#x76EE;&#x3002;&#x8FD9;&#x79CD;&#x65B9;&#x6CD5;&#x5BF9;&#x4E8E;&#x8BB8;&#x591A;&#x9879;&#x76EE;&#x6765;&#x8BF4;&#x662F;&#x53EF;&#x7528;&#x7684;&#xFF0C;&#x5E76;&#x4E14;&#x5B83;&#x53EF;&#x4EE5;&#x6269;&#x5C55;&#x5230;&#x66F4;&#x5927;&#x578B;&#x7684;&#x9879;&#x76EE;&#xFF0C;&#x800C;&#x4E0D;&#x9700;&#x8981;&#x5728;&#x76EE;&#x5F55;&#x95F4;&#x7684;&#x5168;&#x5C40;&#x53D8;&#x91CF;&#x4E2D;&#x5305;&#x542B;&#x6E90;&#x6587;&#x4EF6;&#x5217;&#x8868;&#x3002;<code>add_subdirectory</code>&#x65B9;&#x6CD5;&#x7684;&#x53E6;&#x4E00;&#x4E2A;&#x597D;&#x5904;&#x662F;&#x5B83;&#x9694;&#x79BB;&#x4E86;&#x4F5C;&#x7528;&#x8303;&#x56F4;&#xFF0C;&#x56E0;&#x4E3A;&#x5B50;&#x76EE;&#x5F55;&#x4E2D;&#x5B9A;&#x4E49;&#x7684;&#x53D8;&#x91CF;&#x5728;&#x7236;&#x8303;&#x56F4;&#x4E2D;&#x4E0D;&#x80FD;&#x8BBF;&#x95EE;&#x3002;</p>
<h2 id="&#x66F4;&#x591A;&#x4FE1;&#x606F;">&#x66F4;&#x591A;&#x4FE1;&#x606F;</h2>
<p>&#x4F7F;&#x7528;<code>add_subdirectory</code>&#x8C03;&#x7528;&#x6811;&#x6784;&#x5EFA;&#x9879;&#x76EE;&#x7684;&#x4E00;&#x4E2A;&#x9650;&#x5236;&#x662F;&#xFF0C;CMake&#x4E0D;&#x5141;&#x8BB8;&#x5C06;<code>target_link_libraries</code>&#x4E0E;&#x5B9A;&#x4E49;&#x5728;&#x5F53;&#x524D;&#x76EE;&#x5F55;&#x8303;&#x56F4;&#x4E4B;&#x5916;&#x7684;&#x76EE;&#x6807;&#x4E00;&#x8D77;&#x4F7F;&#x7528;&#x3002;&#x5BF9;&#x4E8E;&#x672C;&#x793A;&#x4F8B;&#x6765;&#x8BF4;&#xFF0C;&#x8FD9;&#x4E0D;&#x662F;&#x95EE;&#x9898;&#x3002;&#x5728;&#x4E0B;&#x4E00;&#x4E2A;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x6F14;&#x793A;&#x53E6;&#x4E00;&#x79CD;&#x65B9;&#x6CD5;&#xFF0C;&#x6211;&#x4EEC;&#x4E0D;&#x4F7F;&#x7528;<code>add_subdirectory</code>&#xFF0C;&#x800C;&#x662F;&#x4F7F;&#x7528;<code>module include</code>&#x6765;&#x7EC4;&#x88C5;&#x4E0D;&#x540C;&#x7684;<code>CMakeLists.txt</code>&#x6587;&#x4EF6;&#xFF0C;&#x5B83;&#x5141;&#x8BB8;&#x6211;&#x4EEC;&#x94FE;&#x63A5;&#x5230;&#x5F53;&#x524D;&#x76EE;&#x5F55;&#x4E4B;&#x5916;&#x5B9A;&#x4E49;&#x7684;&#x76EE;&#x6807;&#x3002;</p>
<p>CMake&#x53EF;&#x4EE5;&#x4F7F;&#x7528;Graphviz&#x56FE;&#x5F62;&#x53EF;&#x89C6;&#x5316;&#x8F6F;&#x4EF6;(<a href="http://www.graphviz.org" target="_blank">http://www.graphviz.org</a> )&#x751F;&#x6210;&#x9879;&#x76EE;&#x7684;&#x4F9D;&#x8D56;&#x5173;&#x7CFB;&#x56FE;:</p>
<pre><code class="lang-shell">$ cd build
$ cmake --graphviz=example.dot ..
$ dot -T png example.dot -o example.png
</code></pre>
<p>&#x751F;&#x6210;&#x7684;&#x56FE;&#x8868;&#x5C06;&#x663E;&#x793A;&#x4E0D;&#x540C;&#x76EE;&#x5F55;&#x4E0B;&#x7684;&#x76EE;&#x6807;&#x4E4B;&#x95F4;&#x7684;&#x4F9D;&#x8D56;&#x5173;&#x7CFB;:</p>
<p><img src="../../images/chapter7/7-7-2.png" alt=""></p>
<p>&#x672C;&#x4E66;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x4E00;&#x76F4;&#x5728;&#x6784;&#x5EFA;&#x6E90;&#x4EE3;&#x7801;&#x4E4B;&#x5916;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x4EE5;&#x4FDD;&#x6301;&#x6E90;&#x4EE3;&#x7801;&#x6811;&#x548C;&#x6784;&#x5EFA;&#x6811;&#x662F;&#x5206;&#x5F00;&#x7684;&#x3002;&#x8FD9;&#x662F;&#x63A8;&#x8350;&#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x5141;&#x8BB8;&#x6211;&#x4EEC;&#x4F7F;&#x7528;&#x76F8;&#x540C;&#x7684;&#x6E90;&#x4EE3;&#x7801;&#x914D;&#x7F6E;&#x4E0D;&#x540C;&#x7684;&#x6784;&#x5EFA;(&#x987A;&#x5E8F;&#x7684;&#x6216;&#x5E76;&#x884C;&#x7684;&#xFF0C;Debug&#x6216;Release)&#xFF0C;&#x800C;&#x4E0D;&#x9700;&#x8981;&#x590D;&#x5236;&#x6E90;&#x4EE3;&#x7801;&#xFF0C;&#x4E5F;&#x4E0D;&#x9700;&#x8981;&#x5728;&#x6E90;&#x4EE3;&#x7801;&#x6811;&#x4E2D;&#x751F;&#x6210;&#x76EE;&#x6807;&#x6587;&#x4EF6;&#x3002;&#x4F7F;&#x7528;&#x4EE5;&#x4E0B;&#x4EE3;&#x7801;&#x7247;&#x6BB5;&#xFF0C;&#x53EF;&#x4EE5;&#x4FDD;&#x62A4;&#x60A8;&#x7684;&#x9879;&#x76EE;&#x514D;&#x53D7;&#x5185;&#x90E8;&#x6784;&#x5EFA;&#x7684;&#x5F71;&#x54CD;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">if</span>(<span class="hljs-variable">${PROJECT_SOURCE_DIR}</span> <span class="hljs-keyword">STREQUAL</span> <span class="hljs-variable">${PROJECT_BINARY_DIR}</span>)
    <span class="hljs-keyword">message</span>(FATAL_ERROR <span class="hljs-string">&quot;In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.&quot;</span>)
<span class="hljs-keyword">endif</span>()
</code></pre>
<p>&#x8BA4;&#x8BC6;&#x5230;&#x6784;&#x5EFA;&#x7ED3;&#x6784;&#x4E0E;&#x6E90;&#x7ED3;&#x6784;&#x7C7B;&#x4F3C;&#x5F88;&#x6709;&#x7528;&#x3002;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x5C06;<code>message</code>&#x6253;&#x5370;&#x8F93;&#x51FA;&#x63D2;&#x5165;&#x5230;<code>src/CMakeLists.txt</code>&#x4E2D;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">message</span>(<span class="hljs-string">&quot;current binary dir is ${CMAKE_CURRENT_BINARY_DIR}&quot;</span>)
</code></pre>
<p>&#x5728;<code>build</code>&#x4E0B;&#x6784;&#x5EFA;&#x9879;&#x76EE;&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x770B;&#x5230;<code>build/src</code>&#x7684;&#x6253;&#x5370;&#x8F93;&#x51FA;&#x3002;</p>
<p>&#x5728;CMake&#x7684;3.12&#x7248;&#x672C;&#x4E2D;&#xFF0C;<code>OBJECT</code>&#x5E93;&#x662F;&#x7EC4;&#x7EC7;&#x5927;&#x578B;&#x9879;&#x76EE;&#x7684;&#x53E6;&#x4E00;&#x79CD;&#x53EF;&#x884C;&#x65B9;&#x6CD5;&#x3002;&#x5BF9;&#x6211;&#x4EEC;&#x7684;&#x793A;&#x4F8B;&#x7684;&#x60DF;&#x4E00;&#x4FEE;&#x6539;&#x662F;&#x5728;&#x5E93;&#x7684;<code>CMakeLists.tx</code>t&#x4E2D;&#x3002;&#x6E90;&#x6587;&#x4EF6;&#x5C06;&#x88AB;&#x7F16;&#x8BD1;&#x6210;&#x76EE;&#x6807;&#x6587;&#x4EF6;&#xFF1A;&#x65E2;&#x4E0D;&#x5B58;&#x6863;&#x5230;&#x9759;&#x6001;&#x5E93;&#x4E2D;&#xFF0C;&#x4E5F;&#x4E0D;&#x94FE;&#x63A5;&#x5230;&#x52A8;&#x6001;&#x5E93;&#x4E2D;&#x3002;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_library</span>(io OBJECT <span class="hljs-string">&quot;&quot;</span>)

target_sources(io
  PRIVATE
      io.cpp
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>/io.hpp
  )

target_include_directories(io
  PUBLIC
      <span class="hljs-variable">${CMAKE_CURRENT_LIST_DIR}</span>
  )
</code></pre>
<p>&#x4E3B;<code>CMakeLists.txt</code>&#x4FDD;&#x6301;&#x4E0D;&#x53D8;:<code>automata</code>&#x53EF;&#x6267;&#x884C;&#x76EE;&#x6807;&#x5C06;&#x8FD9;&#x4E9B;&#x76EE;&#x6807;&#x6587;&#x4EF6;&#x94FE;&#x63A5;&#x5230;&#x6700;&#x7EC8;&#x7684;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x3002;&#x4F7F;&#x7528;&#x4E5F;&#x6709;&#x8981;&#x6C42;&#x9700;&#x6C42;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;&#x5728;&#x5BF9;&#x8C61;&#x5E93;&#x4E0A;&#x8BBE;&#x7F6E;&#x7684;&#x76EE;&#x5F55;&#x3001;&#x7F16;&#x8BD1;&#x6807;&#x5FD7;&#x548C;&#x94FE;&#x63A5;&#x5E93;&#xFF0C;&#x5C06;&#x88AB;&#x6B63;&#x786E;&#x5730;&#x7EE7;&#x627F;&#x3002;&#x6709;&#x5173;CMake 3.12&#x4E2D;&#x5F15;&#x5165;&#x7684;&#x5BF9;&#x8C61;&#x5E93;&#x65B0;&#x7279;&#x6027;&#x7684;&#x66F4;&#x591A;&#x7EC6;&#x8282;&#xFF0C;&#x8BF7;&#x53C2;&#x8003;&#x5B98;&#x65B9;&#x6587;&#x6863;:  <a href="https://cmake.org/cmake/help/v3.12/manual/cmake-buildsystem.7.html#object-libraries" target="_blank">https://cmake.org/cmake/help/v3.12/manual/cmake-buildsystem.7.html#object-libraries</a></p>

                                
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